Multi-sensor fusion positioning system for ultrasonic non-destructive testing

Abstract

The utility model provides a multi-sensor fusion positioning system for ultrasonic non-destructive testing, and belongs to the technical field of non-destructive testing equipment. The multi-sensor fusion positioning system for ultrasonic nondestructive testing comprises a camera bracket, an AMR sensor array circuit board, a light source, an industrial camera, a double-layer frame, an optical sensing clamp, a box body, a photoelectric sensor, an LED light source, a permanent magnet, a circuit board, a miniature optical camera, an infrared LED light source and an optical lens, according to the multi-sensor fusion positioning system for ultrasonic non-destructive testing, the distance between the first clamping plate and the second clamping plate can be flexibly adjusted, so that the optical sensing clamp can adapt to probes of ultrasonic non-destructive testing instruments of different models; the detection cost is reduced, the applicability of the optical sensing clamp is higher, and better use experience is brought to a user.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of nondestructive testing equipment, in particular to a multi-sensor fusion positioning system for ultrasonic nondestructive testing. BACKGROUND

[0002] The multi-sensor fusion positioning system for ultrasonic nondestructive testing is composed of an industrial camera, a camera support, a photoelectric sensing clamp, an anisotropic magnetoresistance (AMR) sensor and a computer. The clamp is composed of an LED lamp, a permanent magnet, an infrared LED, an optical lens and a photoelectric sensor. First, the photoelectric sensing clamp clamps the probe of the ultrasonic nondestructive testing instrument, the camera is connected to the computer software through a button, and the AMR sensor and the photoelectric sensor are started. During the detection of the material, the clamp moves with the probe, the camera identifies the center of the probe and the position of the LED, the AMR sensor identifies the coordinate change of the permanent magnet on the clamp, and the photoelectric sensor identifies the relative coordinate movement of the probe. The multi-sensor records the positioning data and returns to the computer software. The computer fuses and processes the data to generate the motion trail of the probe. The computer identifies the defect position in the material in combination with the ultrasonic detector, and outputs a defect C-scan image. However, the current photoelectric sensing clamp cannot clamp the probes of ultrasonic nondestructive testing instruments of different sizes, so that different probes can only be configured with corresponding photoelectric sensing clamps, which increases the detection cost and also leads to poor applicability of the photoelectric sensing clamp and poor user experience. CONTENT OF THE UTILITY MODEL

[0003] In order to make up for the above shortcomings, the application provides a multi-sensor fusion positioning system for ultrasonic nondestructive testing, which aims to improve the problem that the current photoelectric sensing clamp cannot clamp the probes of ultrasonic nondestructive testing instruments of different sizes, so that different probes can only be configured with corresponding photoelectric sensing clamps, which increases the detection cost and also leads to poor applicability of the photoelectric sensing clamp and poor user experience.

[0004] The application is implemented as follows:

[0005] The application provides a multi-sensor fusion positioning system for ultrasonic nondestructive testing, which comprises a camera support, an AMR sensor array circuit board, a light source, an industrial camera, a double-layer support, an optical sensing clamp, a box body, a photoelectric sensor, an LED light source, a permanent magnet, a circuit board, a miniature optical camera, an infrared LED light source and an optical lens. The AMR sensor array circuit board is placed on the double-layer support, and the camera support is installed on the upper surface of the double-layer support.

[0006] The light source and the industrial camera are fixed on the camera support, the box body is fixed on the outer wall of the optical sensing clamp, the optical sensing clamp is arranged to clamp probes of different sizes, the photoelectric sensor and the LED light source are fixed on the outer wall of the box body, the box body is provided with a scanning opening, and the permanent magnet, the circuit board, the miniature optical camera, the infrared LED light source and the optical lens are fixed in the box body.

[0007] In an embodiment of the present application, the camera support comprises a base, a first sliding block, a stand, a second sliding block and a first locking member, the first sliding block is slidingly arranged on the base, the base is fixed on the upper surface of the double-layer shelf, the lower end of the stand is fixed on the upper surface of the first sliding block;

[0008] The second sliding block is slidingly arranged on the stand, a plurality of second sliding blocks are arranged, the first locking member is threaded through the second sliding block, the industrial camera and the light source are fixed on different second sliding blocks, and the industrial camera and the light source are correspondingly arranged.

[0009] In an embodiment of the present application, the optical sensing clamp comprises a first clamping plate, a second clamping plate, a third clamping plate, a threaded rod and a first nut, one end of the second clamping plate is rotationally arranged on the third clamping plate, the second clamping plate is slidingly inserted into the first clamping plate, one end of the threaded rod is fixed on the upper surface of the second clamping plate, the threaded rod penetrates through the first clamping plate, and the first nut is threadedly sleeved on the threaded rod.

[0010] In an embodiment of the present application, a second locking member and a second nut are further arranged, the second locking member penetrates through the other end of the third clamping plate and the other end of the first clamping plate, the second nut is inserted into the third clamping plate, and the second locking member is threadedly penetrated through the second nut.

[0011] In an embodiment of the present application, a clamping groove is formed in the third clamping plate, and the second nut is clamped in the clamping groove.

[0012] In an embodiment of the present application, a through hole is formed in the first clamping plate, and the threaded rod penetrates through the through hole.

[0013] In an embodiment of the present application, a wire arranging hole is formed in the box body.

[0014] The beneficial effects of the present application are: the multi-sensor fusion positioning system for ultrasonic nondestructive testing obtained through the above design can flexibly adjust the distance between the first clamping plate and the second clamping plate, so that the optical sensing clamp can adapt to the probes of ultrasonic nondestructive testing instruments of different models, reduces the detection cost, and also makes the optical sensing clamp more applicable and brings better user experience. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figure 1 is a perspective structural schematic diagram of a multi-sensor fusion positioning system for ultrasonic nondestructive testing provided by the embodiments of the present application;

[0017] Figure 2 is a perspective structural schematic diagram of a camera support provided by the embodiments of the present application;

[0018] Figure 3 is a perspective structural schematic diagram of an optical sensing clamp provided by the embodiments of the present application;

[0019] Figure 4 is a relationship diagram between the second clamping plate, the third clamping plate and the box provided by the embodiments of the present application;

[0020] Figure 5 is a relationship diagram between the box, the permanent magnet, the circuit board, the miniature optical camera, the infrared LED light source and the optical lens provided by the embodiments of the present application.

[0021] In the figure: 110 - camera support; 111 - base; 112 - first sliding block; 113 - stand; 114 - second sliding block; 115 - first locking piece; 120 - AMR sensor array circuit board; 130 - light source; 140 - industrial camera; 150 - double-layer frame; 160 - optical sensing clamp; 161 - first clamping plate; 162 - second clamping plate; 163 - third clamping plate; 164 - through hole; 165 - threaded rod; 166 - first nut; 167 - second locking piece; 168 - second nut; 170 - box; 180 - photoelectric sensor; 190 - LED light source; 191 - wire arranging hole; 192 - permanent magnet; 193 - circuit board; 194 - miniature optical camera; 195 - infrared LED light source; 196 - optical lens; 197 - scanning port. DETAILED DESCRIPTION

[0022] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0023] Embodiments

[0024] Please refer to Figure 1 - Figure 5 The present application provides a technical solution: a multi-sensor fusion positioning system for ultrasonic non-destructive testing, comprising a camera support 110, an AMR sensor array circuit board 120, a light source 130, an industrial camera 140, a double-layer stand 150, an optical sensing clamp 160, a box body 170, a photoelectric sensor 180, an LED light source 190, a permanent magnet 192, a circuit board 193, a miniature optical camera 194, an infrared LED light source 195 and an optical lens 196, the AMR sensor array circuit board 120 is placed on the double-layer stand 150, and the camera support 110 is installed on the upper surface of the double-layer stand 150;

[0025] The camera support 110 comprises a base 111, a first sliding block 112, a stand 113, a second sliding block 114 and a first locking piece 115, the first sliding block 112 is slidingly arranged on the base 111, the base 111 is fixed on the upper surface of the double-layer stand 150, the lower end of the stand 113 is fixed on the upper surface of the first sliding block 112, the second sliding block 114 is slidingly arranged on the stand 113, a plurality of second sliding blocks 114 are arranged, the first locking piece 115 is threaded through the second sliding block 114, the industrial camera 140 and the light source 130 are fixed on different second sliding blocks 114, the industrial camera 140 and the light source 130 are correspondingly arranged, and the second sliding block 114 and the first locking piece 115 are arranged to facilitate adjustment of the distance between the industrial camera 140 and the light source 130;

[0026] The light source 130 and the industrial camera 140 are both fixed on the camera support 110, the box body 170 is fixed on the outer wall of the optical sensing clamp 160, the setting of the optical sensing clamp 160 can realize clamping of probes of different sizes, the optical sensing clamp 160 comprises a first clamping plate 161, a second clamping plate 162, a third clamping plate 163, a threaded rod 165 and a first nut 166, one end of the second clamping plate 162 is rotatably arranged on the third clamping plate 163, the second clamping plate 162 is slidingly inserted into the first clamping plate 161, one end of the threaded rod 165 is fixed on the upper surface of the second clamping plate 162, the threaded rod 165 penetrates the first clamping plate 161, the first nut 166 is threadedly sleeved on the threaded rod 165, further comprising a second locking member 167 and a second nut 168, the second locking member 167 penetrates the other end of the third clamping plate 163 and the other end of the first clamping plate 161, the second nut 168 is inserted into the third clamping plate 163, the second locking member 167 is threadedly penetrated through the second nut 168, and the first locking member 115 and the second locking member 167 in the embodiment are both bolts;

[0027] A clamping groove is formed in the third clamping plate 163, the second nut 168 is clamped in the clamping groove, a through hole 164 is formed in the first clamping plate 161, the threaded rod 165 penetrates the through hole 164, the through hole 164 is arranged to facilitate adjustment of the distance between the second clamping plate 162 and the first clamping plate 161, the photoelectric sensor 180 and the LED light source 190 are both fixed on the outer wall of the box body 170, a scanning opening 197 is formed in the box body 170, a permanent magnet 192, a circuit board 193, a miniature optical camera 194, an infrared LED light source 195 and an optical lens 196 are all fixed in the box body 170, the miniature optical camera 194, the optical lens 196 and the scanning opening 197 are correspondingly arranged, the double-layer shelf 150 is arranged for placing materials, the material of the double-layer shelf 150 cannot be attracted by a magnet, and a wire arranging hole 191 is formed in the box body 170.

[0028] Specifically, the working principle of the multi-sensor fusion positioning system for ultrasonic nondestructive testing is as follows: in use, according to the model of the probe of the ultrasonic nondestructive testing instrument, the first clamping plate 161 is pulled to adjust the distance between the first clamping plate 161 and the second clamping plate 162, and after adjustment, the first clamping plate 161 is held, the first nut 166 is rotated, the lower surface of the first nut 166 extrudes the upper surface of the first clamping plate 161, so that the first clamping plate 161 and the second clamping plate 162 are fixed together, and then the first clamping plate 161, the second clamping plate 162 and the third clamping plate 163 are fixed on the probe by the second locking member 167 and the second nut 168, the industrial camera 140 is connected to the computer software, the AMR sensor and the photoelectric sensor 180 on the AMR sensor array circuit board 120 are started, in the process of manually using the ultrasonic detector to detect the material, the optical sensing clamp 160 moves with the detection probe of the ultrasonic nondestructive testing instrument, the industrial camera 140 identifies the center of the probe and the LED light source 190, the AMR sensor identifies the coordinate change of the permanent magnet 192 on the optical sensing clamp 160, and the recognition error of the industrial camera 140 caused by hand movement is avoided, when the probe and the optical sensing clamp 160 move together, the probe is clamped by the optical sensing clamp 160, and is locked and fixed by the second locking member 167 and the second nut 168, the optical sensing clamp 160 and the probe always keep the relative position unchanged, the infrared LED light source 195 emits infrared light, the infrared light passes through the optical lens 196 and the scanning port 197 to the detection surface, when the light meets the small concave-convex and texture on the surface of the detection material, scattering and reflection occur, the miniature optical camera 194 captures the reflected light and converts it into a series of continuous image frames, showing the subtle changes of the surface, the digital signal processor analyzes the changes between the image frames, calculates the displacement of the object in the X and Y directions, the photoelectric sensor 180 assists in positioning, multiple sensors record positioning data and return to the computer software, the computer fuses and processes the data to generate the probe movement trajectory, the computer combines the defect waveform graph collected by the ultrasonic detector and the probe movement trajectory graph to calculate the position of the defect in the material, and outputs the defect C-scan graph. The multi-sensor fusion positioning system for ultrasonic nondestructive testing can flexibly adjust the distance between the first clamping plate 161 and the second clamping plate 162, so that the optical sensing clamp 160 can adapt to the probes of ultrasonic nondestructive testing instruments of different models, reduces the detection cost, makes the applicability of the optical sensing clamp 160 stronger, and brings better use experience to the user.

[0029] It should be noted that the specific model specifications of the AMR sensor array circuit board 120, the light source 130, the industrial camera 140, the photoelectric sensor 180, the LED light source 190, the permanent magnet 192, the circuit board 193, the miniature optical camera 194 and the infrared LED light source 195 need to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0030] The power supply and its principle of the AMR sensor array circuit board 120, the light source 130, the industrial camera 140, the photoelectric sensor 180, the LED light source 190, the permanent magnet 192, the circuit board 193, the miniature optical camera 194 and the infrared LED light source 195 are clear to those skilled in the art, and will not be described in detail here.

[0031] The above merely provides an example of the present application and is not intended to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

Claims

1. A multi-sensor fusion positioning system for ultrasonic non-destructive testing, characterized in that, The application relates to a camera support (110), an AMR sensor array circuit board (120), a light source (130), an industrial camera (140), a double-layer frame (150), an optical sensing clamp (160), a box body (170), a photoelectric sensor (180), an LED light source (190), a permanent magnet (192), a circuit board (193), a miniature optical camera (194), an infrared LED light source (195) and an optical lens (196), wherein the AMR sensor array circuit board (120) is arranged on the double-layer frame (150), and the camera support (110) is arranged on the upper surface of the double-layer frame (150). The light source (130) and the industrial camera (140) are fixed on the camera support (110), the box body (170) is fixed on the outer wall of the optical sensing clamp (160), the optical sensing clamp (160) can clamp probes of different sizes, the photoelectric sensor (180) and the LED light source (190) are fixed on the outer wall of the box body (170), a scanning opening (197) is arranged on the box body (170), and the permanent magnet (192), the circuit board (193), the miniature optical camera (194), the infrared LED light source (195) and the optical lens (196) are fixed in the box body (170), and the miniature optical camera (194), the optical lens (196) and the scanning opening (197) are correspondingly arranged.

2. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 1, wherein, The camera support (110) comprises a base (111), a first sliding block (112), a stand (113), a second sliding block (114) and a first locking piece (115), the first sliding block (112) is slidingly arranged on the base (111), the base (111) is fixed on the upper surface of the double-layer frame (150), and the lower end of the stand (113) is fixed on the upper surface of the first sliding block (112). The second sliding block (114) is slidingly arranged on the stand (113), a plurality of second sliding blocks (114) are arranged, the first locking piece (115) is threaded through the second sliding block (114), the industrial camera (140) and the light source (130) are fixed on different second sliding blocks (114), and the industrial camera (140) and the light source (130) are correspondingly arranged.

3. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 1, wherein, The optical sensing clamp (160) comprises a first clamping plate (161), a second clamping plate (162), a third clamping plate (163), a threaded rod (165) and a first nut (166), one end of the second clamping plate (162) is rotationally arranged on the third clamping plate (163), the second clamping plate (162) is slidingly inserted into the first clamping plate (161), one end of the threaded rod (165) is fixed on the upper surface of the second clamping plate (162), the threaded rod (165) is threaded through the first clamping plate (161), and the first nut (166) is threaded on the threaded rod (165).

4. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 3, wherein, Also include a second locking member (167) and a second nut (168), the second locking member (167) is threaded through the other end of the third clamping plate (163) and the other end of the first clamping plate (161), the second nut (168) is inserted in the third clamping plate (163), the second locking member (167) is threaded through the second nut (168).

5. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 4, characterized in that, The third clamping plate (163) is provided with a clamping groove, and the second nut (168) is clamped in the clamping groove.

6. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 3, wherein, The first clamping plate (161) is provided with a through hole (164), and the threaded rod (165) penetrates through the through hole (164).

7. The multi-sensor fusion positioning system for ultrasonic non-destructive testing according to claim 1, wherein, The box body (170) is provided with a wire discharge hole (191).

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